BASE64 file extension

BASE64 MIME encoding/RFC2045

Run a free instant scan for .BASE64 file errors

A .BASE64 file is known as a BASE64 MIME encoding/RFC2045.

This file extension was added to our database by a visitor to this site, but no further information was provided. We have yet to investigate the BASE64 file extension any further, or there was simply not enough information available at the time to report accurately on this format.

However, it is possible that other file formats exist that use the BASE64 extension, so please let us know if you do not think this extension matches the file format you are looking for.